Disable not needed services in CI job

To improve reliability of logs tempests tests we deploy only necessary
services in CI environment. This should save a lot of resources.

Change-Id: Id5b8ddc0700b2b7bc100f1eefbe891d9016e918c

.zuul.yaml

@@ -71,23 +71,20 @@
     timeout: 7800
     required-projects:
       - openstack/devstack-gate
-      - openstack/monasca-agent
       - openstack/monasca-api
       - openstack/monasca-common
-      - openstack/monasca-grafana-datasource
-      - openstack/monasca-notification
-      - openstack/monasca-persister
-      - openstack/monasca-statsd
-      - openstack/monasca-thresh
-      - openstack/monasca-ui
       - openstack/python-monascaclient
       - openstack/tempest
-      - openstack/monasca-kibana-plugin
       - openstack/monasca-tempest-plugin
     vars:
       devstack_services:
         monasca-log: true
         # Disable unneeded services.
+        monasca-agent: false
+        monasca-notification: false
+        monasca-persister: false
+        monasca-thresh: false
+        monasca-storm: false
         etcd3: false
         g-api: false
         g-reg: false

devstack/plugin.sh

@@ -127,8 +127,12 @@ function install_monasca {
     echo_summary "Installing Monasca"
 
     install_monasca_common_java
+    if is_service_enabled monasca-persister; then
         stack_install_service monasca-persister
+    fi
+    if is_service_enabled monasca-notification; then
         stack_install_service monasca-notification
+    fi
 
     if is_service_enabled monasca-thresh; then
         if ! is_storm_enabled; then
@@ -413,6 +417,7 @@ function clean_kafka {
 
 function install_monasca_influxdb {
 
+    if is_service_enabled monasca-persister; then
         echo_summary "Install Monasca Influxdb"
 
         local influxdb_deb=influxdb_${INFLUXDB_VERSION}_amd64.deb
@@ -437,6 +442,7 @@ function install_monasca_influxdb {
         sudo cp -f "${MONASCA_API_DIR}"/devstack/files/influxdb/influxdb /etc/default/influxdb
 
         sudo systemctl start influxdb || sudo systemctl restart influxdb
+    fi
 
 }
 
@@ -474,6 +480,7 @@ function install_monasca_vertica {
 
 function install_monasca_cassandra {
 
+    if is_service_enabled monasca-persister; then
         echo_summary "Install Monasca Cassandra"
 
         if [[ "$OFFLINE" != "True" ]]; then
@@ -511,7 +518,7 @@ function install_monasca_cassandra {
 
         # always needed for Monasca api
         pip_install_gr cassandra-driver
-
+    fi
 }
 
 function clean_monasca_influxdb {
@@ -611,12 +618,14 @@ function install_schema_metric_database_vertica {
 }
 
 function install_schema_metric_database_cassandra {
+    if is_service_enabled monasca-persister; then
         local CASSANDRA_CONNECT_TIMEOUT=300
         local CASSANDRA_REQUEST_TIMEOUT=300
         sudo cp -f "${MONASCA_API_DIR}"/devstack/files/cassandra/*.cql $MONASCA_SCHEMA_DIR
         /usr/bin/cqlsh ${SERVICE_HOST} -f $MONASCA_SCHEMA_DIR/monasca_schema.cql \
             --connect-timeout="${CASSANDRA_CONNECT_TIMEOUT}" \
             --request-timeout="${CASSANDRA_REQUEST_TIMEOUT}"
+    fi
 }
 
 function install_schema_kafka_topics {